This series products are based on special high density homogenous copper alloy. The inner surface is rolled to diamond or half-ball shape lubrication grooves. They are in high density, good load capacity and wear-resistant. The products are widely used in machinery industry, such as auto machines, pumps, plastic injection machines, lifting equipments, mining machinery, construction machines, etc. Features: 1.Minim oil lubrication, able to be applied in water-lubrication environment 2.Good anti-abrasion, low friction coefficient 3.Working temperature range: -100oC~+200oC Specifications: Max. dynamic loading capacity : 40N/mm2 Max. static loading capacity : 120N/mm2 Max. linear speed : 2m/s Friction coefficient : 0.08~0.25 Hardness : HB110~150 Yieid Strength : 250N/mm2. Standard export package.